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Carlos GuillermoCG

Carlos Guillermo

Fullstack Developer (Web & Mobile)

€150/day
Aix-en-Provence, FR
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Carlos

Hello! I am a full-stack web & mobile developer specializing in React, Next.js, and TypeScript.

I help companies, startups, and project owners create modern, high-performing, and well-structured web and mobile applications, whether it's to launch a product, improve an existing tool, or transform an idea into a concrete solution.

What I can offer you:
• Showcase website / landing page development
• Custom web application development (React / Next.js)
• Cross-platform mobile applications (React Native)
• Startup MVPs and rapid prototypes
• E-commerce sites and online ordering platforms
• Dashboards & business interfaces
• Responsive and high-performance UI integration
• APIs and Node.js / PostgreSQL backends
• Addition of AI / automation features

My approach: understand your business needs before coding.
I favor simple, maintainable, and scalable solutions. Clear communication, deadlines met, clean code.

Recent projects:
• Mobile application with AI for ingredient recognition + recipe suggestions
• Complete e-commerce platform for a US-based pizzeria (ordering + payment + real-time management)
• Apprenticeship: development of monitoring tools and dashboards for connected buildings

Main Stack: React • Next.js • TypeScript • React Native • Node.js • TailwindCSS • PostgreSQL

I am available for web/mobile missions, MVPs, specific features, technical reinforcement, or anything else!

Let's talk about your project!
  • Spanish

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • thecamp
    Frontend Developer
    August 2025 - Today (10 months)
    Development of a control tool for Building Technical Management (BTM) allowing real-time monitoring of over 50 connected devices. Creation of a content management application for digital signage screens (scheduling, automatic updates). Development of interactive dashboards for connected objects. Stack: React, TypeScript, Next.js, TailwindCSS, and more.
  • Projet personnel
    Smart Recipe Mobile App
    August 2025 - Today (10 months)
    Mobile application that automatically detects ingredients via photo and suggests suitable recipes thanks to artificial intelligence.

    Features developed:
    - AI Ingredient Recognition (YOLOv8)
    - Recipe suggestion based on available ingredients
    - RESTful API for recipe and user management
    - Complete architecture: mobile + backend + AI
    Stack: React Native, Nativewind, TypeScript, Node.js/Express, Flask (AI), PostgreSQL
    React Native TypeScript Node.js Artificial Intelligence PostgreSQL
  • Octy's Pizzeria
    Fullstack Web Developer
    March 2025 - June 2025 (3 months)
    United States
    E-commerce web application for an American pizzeria: online ordering, cart, secure payment, and real-time order management.
    Stack: Next.js, Javascript, CSS, Node.js, PostgreSQL

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Education

  • BUT Informatique
    IUT d'Aix-Marseille
    Dévveloppement informatique fullstack (HTML, CSS, JavaScript, TypeScript, Java, PostgreSQL, C++, + encore)
  • Baccalauréat (Mention Bien)
    Lycée de l'Empéri
    2023
    Baccalauréat

Skill set

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